[7946] add note to changelog

[gavinsmith0123]

Revision: 7946
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=7946
Author:   gavin
Date:     2017-08-30 16:07:14 -0400 (Wed, 30 Aug 2017)
Log Message:
-----------
add note to changelog

Modified Paths:
--------------
    trunk/ChangeLog

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2017-08-29 08:20:04 UTC (rev 7945)
+++ trunk/ChangeLog     2017-08-30 20:07:14 UTC (rev 7946)
@@ -181,6 +181,11 @@
        * info/nodes.c (info_find_file): Do not convert the filename to 
        lowercase and check for it again if a file was not found.
 
+       Note added 2017-08-30: This change was made for code 
+       simplification, and not to fix anything.  The thinking behind 
+       the original code was to support a case-insensitive filesystem
+       that was mounted in a way that was not case-insensitive.
+
 2017-07-06  Gavin Smith  <address@hidden>
 
        * info/t/inc-sea-bs.sh: New test.